{"id":"W2048834903","doi":"10.1016/j.psym.2012.08.010","title":"Psychometric Properties of the Patient Health Questionnaire (PHQ-9) as a Depression Screening Tool for Bariatric Surgery Candidates","year":2012,"lang":"en","type":"article","venue":"Psychosomatics","topic":"Bariatric Surgery and Outcomes","field":"Medicine","cited_by":95,"is_retracted":false,"has_abstract":false,"ca_institutions":"Toronto Western Hospital; University of Toronto; Toronto Metropolitan University","funders":"","keywords":"Patient Health Questionnaire; Medicine; Psychosocial; Depression (economics); Major depressive disorder; Physical therapy; Psychometrics; Depressive symptoms; Psychiatry; Surgery; Mood; Clinical psychology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007548821,0.0001945379,0.00051844,0.0003193742,0.0002091645,0.0000163881,0.00010751,0.0001068134,0.00002227245],"category_scores_gemma":[0.001411655,0.0001149883,0.0003007216,0.001008602,0.00004574288,0.0001488417,0.0000382723,0.0001473579,0.000008032342],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005866746,"about_ca_system_score_gemma":0.0001732382,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007392725,"about_ca_topic_score_gemma":0.000001805337,"domain_scores_codex":[0.9980751,0.0001203822,0.0007636845,0.0001840056,0.0004239216,0.0004329673],"domain_scores_gemma":[0.9983439,0.0003721011,0.0004890419,0.000493025,0.0001324962,0.0001694106],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001914622,0.0003313751,0.9536722,0.0007783551,0.00007180214,1.224169e-7,0.000818387,0.000002577682,0.0001003098,0.00005529447,0.006310813,0.03766734],"study_design_scores_gemma":[0.000670697,0.0001157868,0.9907272,0.001507294,0.0001610278,0.00005430984,0.000195031,0.0002783051,0.003429151,0.0001061851,0.00253766,0.0002173677],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9824234,0.01037555,0.00235942,0.001669077,0.001886573,0.00111521,0.00001006544,0.00006466628,0.00009610023],"genre_scores_gemma":[0.9959157,0.0002343721,0.002341131,0.0009551115,0.0003063817,0.00009820241,0.00000823215,0.00003205241,0.0001087779],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03744997,"threshold_uncertainty_score":0.4689086,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04127019890921647,"score_gpt":0.293304442037793,"score_spread":0.2520342431285765,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}